1 Complete with 'must' or 'mustn't. Teenagers...
1 spend long hours at the computer.
2 ... do their homework on time.
3 ... smoke or drink acohol.
4 ... learn to be kind to others.
5 ... look neat and tidy.
6 ... be rude!
7 ... skip breakfast.
8 ... use their mobile phones in schools.
приззззззззз​